NIH-funded research R21 grant

Understanding how gut bacteria affect Campylobacter jejuni infections

Official title: Campylobacter jejuni restriction by the intestinal microbiota

Funded at Yale University · NIH-10909342 · Data updated 2026-11-12

This study is looking at how the good bacteria in the gut can help protect chickens from getting sick from a common bug that causes diarrhea, with the hope that it can lead to new ways to keep people safe from serious complications like Guillain-Barré Syndrome.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionYale University
NIH-funded
Lab location1 site (New Haven, United States)
Project startAugust 17, 2023
Project endJuly 31, 2025
Funding year2024
Award (this year)$209,375
NIH project number5R21AI173465-02
Project IDNIH-10909342 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have experienced foodborne illnesses or are at risk for developing complications from Campylobacter jejuni infections.

Less likely to help

Patients who have not been exposed to Campylobacter jejuni or do not have a history of foodborne illnesses may not benefit from this research.

What this research studies

This research investigates how the intestinal microbiota influences the colonization of Campylobacter jejuni, a common cause of foodborne diarrhea. By using a germ-free chicken model, the study aims to uncover the mechanisms that allow certain individuals to resist infection despite exposure. The goal is to identify specific bacterial compositions that may protect against the pathogen, which could lead to new prevention strategies for those at risk of severe complications like Guillain-Barré Syndrome.

Why it matters

Potential benefit: If successful, this research could lead to new ways to prevent serious complications from Campylobacter jejuni infections in susceptible individuals.

How similar studies have gone: Previous research has shown that understanding the role of gut microbiota can lead to significant advancements in preventing infections, suggesting a promising avenue for this study.

Where this research is happening

  • Yale University
    New Haven, United States
    Active

Researchers

  • Principal investigator: Galan, Jorge E — Yale University
  • Study coordinator: Galan, Jorge E

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.